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40B12 5/8
Picture may not depict actual tooth count

40B12 5/8" Finished Bore Sprocket (40BS12H-5/8)

Item ID: 40B12-5/8
Availability: 213 In Stock
Price: $7.32
Retail Price:$9.50
Your Savings:$2.18(23%)

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40B12-5/8 Finished Bore Sprocket - 40BS12H 5/8"

Our 40BS12H sprocket is an ANSI standard size sprocket with a 5/8" finished bore - includes keyway & 2 setscrews. This 11 tooth sprocket works with any ANSI #40 roller chain. Nitro 40B12 sprockets are manufactured from 1045CD carbon steel and have hardened teeth to minimize wear overtime.

40B12 sprocket diagram
40BS12 Sprocket Dimensions:
  • Fits ANSI Chain Size: #40
  • Bore (D1): 5/8"
  • Number Of Teeth:12
  • Outside Diameter (de): 2.166"
  • Sprocket Thickness (B1): 0.284" (Not including Hub)
  • Hub Diameter (dm): 1-9/16"
  • LTB - Length Thru Bore (A): 7/8"
  • Keyway Size: 3/16" X 3/32"
  • Hardened Teeth: Yes (HRC 38-42)
  • Number Of Setscrews: 2
  • Material: 1045CD (Cold Drawn)
  • Type Of Finish: Black Oxide
Interchange Numbers:
  • 40BS12 5/8
  • 40BS12H 5/8

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